From the Plano city website: 'Multi-use recreational trails are very popular with many types of users. A consequence of their success can be congestion. When you follow the rules, your experience will be safer and more enjoyable. We ask that when you use the trails that you are courteous, stay right, pass left, announce when passing, yield to slower users, stop at stop signs, wear a helmet and obey the 15 mph trail speed limit. Please understand and follow these guidelines when using Plano’s multi-use recreational trails.'
Check your local guideline/ordinances.